HIGH 7.5 Microsoft

CVE-2025-47950

CoreDNS Vulnerable to DoQ Memory Exhaustion via Stream Amplification

Microsoft Security Update 2025-Jun: CoreDNS Vulnerable to DoQ Memory Exhaustion via Stream Amplification

Affected Products

cm2 coredns 1.11.1-19 on CBL Mariner 2.0
azl3 coredns 1.11.4-7 on Azure Linux 3.0
cbl2 coredns 1.11.1-19 on CBL-Mariner 2.0
cbl2 coredns 1.11.1-19 on CBL Mariner 2.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47950
https://nvd.nist.gov/vuln/detail/CVE-2025-47950

Published: 2025-06-10 · Source: Microsoft · Feed updated: 2026-08-15

This high severity vulnerability with a CVSS score of 7.5 was published on 2025-06-10 via Microsoft. Affected: cm2 coredns 1.11.1-19 on CBL Mariner 2.0, azl3 coredns 1.11.4-7 on Azure Linux 3.0, cbl2 coredns 1.11.1-19 on CBL-Mariner 2.0 and 1 more.

vulnfeed aggregates 10939 vulnerabilities from NVD, CISA KEV, Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.